3505559

Information

• Patent Grant
• 3505559

• References
• Source

• Patent Number

  3,505,559

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • H01J29/467 - Control electrodes for flat display tubes
  • H01J29/023 - secondary-electron emitting electrode arrangements
  • H01J31/128 - provided with control means permitting the electron beam to reach selected parts of the screen

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices